apps/konqueror/src/delayedinitializer.cpp

   1 /* This file is part of the KDE project
   2    Copyright (C) 2003 Simon Hausmann <hausmann@kde.org>
   3
   4    This program is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; see the file COPYING.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20
  21 #include "delayedinitializer.h"
  22 #include <QtCore/QTimer>
  23 //Added by qt3to4:
  24 #include <QtCore/QEvent>
  25
  26 DelayedInitializer::DelayedInitializer( int eventType, QObject *parent, const char *name )
  27     : QObject( parent ), m_eventType( eventType ), m_signalEmitted( false )
  28 {
  29     setObjectName( name );
  30     parent->installEventFilter( this );
  31 }
  32
  33 bool DelayedInitializer::eventFilter( QObject *receiver, QEvent *event )
  34 {
  35     if ( m_signalEmitted || event->type() != m_eventType )
  36         return false;
  37
  38     m_signalEmitted = true;
  39     receiver->removeEventFilter( this );
  40
  41     // Move the emitting of the event to the end of the eventQueue
  42     // so we are absolutely sure the event we get here is handled before
  43     // the initialize is fired.
  44     QTimer::singleShot( 0, this, SLOT( slotInitialize() ) );
  45
  46     return false;
  47 }
  48
  49 void DelayedInitializer::slotInitialize()
  50 {
  51     emit initialize();
  52     deleteLater();
  53 }
  54
  55 #include "delayedinitializer.moc"
  56
  57 /* vim: et sw=4
  58  */